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Grade 11IIT JEE Entrance Exam

It is related to check trignometrtrical ratio ,verify that following questions

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Profile image of Ankit
9 Years agoGrade 11
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1 Answer

Profile image of Manish Tiwari
9 Years ago
Hello,You dont need to verify these by putting a=30°.These are identities and hence are applicable to all values of A.Hope it helps.

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